OBD-II code · generic
U040B
Invalid Data Received From Exhaust Gas Recirculation Control Module A
- System
- U — In-vehicle network
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does U040B mean?
U040B is defined as “Invalid Data Received From Exhaust Gas Recirculation Control Module A”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- U040AInvalid Data Received From Air Conditioning Control Module
- U040CInvalid Data Received From Exhaust Gas Recirculation Control Module B
- U0409Invalid Data Received From Alternative Fuel Control Module
- U040DInvalid Data Received From Turbocharger/Supercharger Control Module A
- U0408Invalid Data Received From Throttle Actuator Control Module
- U040EInvalid Data Received From Turbocharger/Supercharger Control Module B
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This page is general information; an exact diagnosis needs measurements and a technician’s check.